Novel steering wheel spindle

Abstract

The utility model discloses a novel steering wheel main shaft which comprises a wheel disc, a main shaft body fixedly connected to the bottom of the wheel disc, a connecting base fixedly connected to the tail end of the main shaft body and a steering cylinder arranged outside the main shaft body in a sleeving mode. A heat dissipation assembly is installed in the assembling groove. The heat dissipation assembly comprises a heat dissipation plate inserted into the assembling groove, heat dissipation fins symmetrically installed on the outer surface of the heat dissipation plate, heat dissipation grooves A and heat dissipation grooves B formed in the outer surfaces of the heat dissipation fins, and heat dissipation through holes formed in the surfaces of the heat dissipation fins. A heat dissipation assembly is installed in an assembling groove of the steering cylinder, when the steering cylinder works, part of generated heat is transmitted to the surface of a heat dissipation plate through heat conduction silicone grease, the heat dissipation plate is matched with heat dissipation fins, heat dissipation grooves A and heat dissipation grooves B in the surface of the heat dissipation plate and heat dissipation through holes, auxiliary heat dissipation treatment is conducted on the steering cylinder, heat accumulation is reduced, and good heat dissipation performance is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steering wheel spindles, and in particular relates to a novel steering wheel spindle. Background Art

[0002] The steering wheel spindle is an important part of the car. The driver can control the driving trajectory of the car by operating the steering wheel;

[0003] After searching, patent announcement number CN217835994U discloses a manual-automatic integrated steering wheel, including a fixed shell and a steering spindle, the top of the fixed shell is rotatably connected with a rotating shell through a bearing, an automatic driving part for driving the steering spindle is arranged inside the rotating shell, and a manual driving part for driving the steering spindle is arranged on the top of the rotating shell; the automatic driving part includes a stator spindle fixed to the top of the fixed shell, a brushless motor stator fixed to the outer wall of the stator spindle, and a brushless motor rotor matched with the brushless motor stator and rotatably connected to the outer wall of the stator spindle through a bearing, and the top of the brushless motor rotor is connected to the outer wall of the steering spindle through a transmission member; by integrating the entire "brushless motor" and its stator brushless motor rotor and rotor brushless motor stator into the device, arranging them coaxially with the device, and relative to the structure of a separate motor for transmission, the device has a more compact structure and a smaller volume;

[0004] In the current existing technology, for the commonly used steering wheel spindle, a drive motor and a steering assembly are installed on the outside of the shaft body. However, when the steering assembly is working, heat is generated. The heat is assisted by a cooling fan. Dust is easily accumulated inside the steering assembly, affecting normal use. Therefore, it is necessary to design a new steering wheel spindle to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a novel steering wheel spindle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel steering wheel spindle, comprising a wheel disc, a spindle body fixedly connected to the bottom of the wheel disc, a connecting seat fixedly connected to the end of the spindle body, and a steering cylinder sleeved on the outside of the spindle body, a mounting groove is opened on the surface of the steering cylinder, and a heat dissipation component is installed inside the mounting groove;

[0007] The heat dissipation assembly includes a heat dissipation plate inserted in the assembly groove, a heat dissipation fin symmetrically installed on the outer surface of the heat dissipation plate, a heat dissipation groove A and a heat dissipation groove B opened on the outer surface of the heat dissipation fin, and a heat dissipation through hole opened on the surface of the heat dissipation fin.

[0008] Preferably, a thread groove is provided on the surface of the assembly groove, grooves are symmetrically provided on the surface of the assembly groove, and the interior of the grooves of the assembly groove is filled with a metal plate.

[0009] Preferably, a mounting hole is provided in the middle of the heat dissipation plate, and the mounting hole corresponds to the thread groove.

[0010] Preferably, the inner surface of the heat sink is symmetrically provided with step grooves, and a permanent magnet is fixedly connected to the step groove of the heat sink.

[0011] Preferably, the two groups of permanent magnets are located outside the mounting hole, and the permanent magnets and the metal plate are magnetically corresponding.

[0012] Preferably, a rubber seat is bonded to the step groove of the heat sink, and the rubber seat is located on one side of the permanent magnet.

[0013] Preferably, the end surface of the rubber seat protrudes from the inner wall of the heat sink.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A heat dissipation component is installed inside the assembly groove of the steering cylinder. When the steering cylinder is working, part of the heat generated is transferred to the surface of the heat sink through the thermal grease. The heat sink cooperates with the heat sink and the heat sink A and heat sink B on its surface as well as the heat dissipation holes to assist in the heat dissipation of the steering cylinder, reduce heat accumulation, and have good heat dissipation performance.

[0016] 2. The step groove of the heat sink is fixedly connected with a permanent magnet. When the heat sink is installed relative to the steering cylinder, the permanent magnet of the heat sink and the metal plate are magnetically attracted to each other. The rubber seat has a good buffering and protection effect, which is convenient for assembly and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main shaft body and steering cylinder structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the heat sink and heat sink structure of the utility model;

[0020] Figure 4 This is a schematic structural diagram of the heat dissipation plate and heat dissipation fin of the utility model from another perspective.

[0021] In the figure: 1, wheel disc; 2, main shaft body; 3, connecting seat; 4, steering cylinder; 401, assembly groove; 402, thread groove; 403, metal plate; 5, heat sink; 501, mounting hole; 6, heat sink; 7, heat sink A; 8, heat sink B; 9, heat dissipation through hole; 10, permanent magnet; 11, rubber seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figures 1 to 4 The utility model provides a new type of steering wheel spindle technical solution: comprising a wheel disc 1, a spindle body 2 fixedly connected to the bottom of the wheel disc 1, a connecting seat 3 fixedly connected to the end of the spindle body 2, and a steering cylinder 4 sleeved on the outside of the spindle body 2, a mounting groove 401 is opened on the surface of the steering cylinder 4, and a heat dissipation component is installed inside the mounting groove 401;

[0024] The heat dissipation assembly includes a heat dissipation plate 5 inserted into the assembly groove 401, a heat sink 6 symmetrically installed on the outer surface of the heat dissipation plate 5, a heat dissipation groove A7 and a heat dissipation groove B8 opened on the outer surface of the heat sink 6, and a heat dissipation through hole 9 opened on the surface of the heat sink 6.

[0025] A threaded groove 402 is provided on the surface of the assembly groove 401 , and grooves are symmetrically provided on the surface of the assembly groove 401 . The grooves of the assembly groove 401 are filled with a metal plate 403 . A mounting hole 501 is provided in the middle of the heat sink 5 , and the mounting hole 501 corresponds to the threaded groove 402 .

[0026] From the above description, it can be seen that the utility model has the following beneficial effects: a heat dissipation component is installed inside the assembly groove 401 of the steering cylinder 4. When the steering cylinder 4 is working, part of the heat generated is transferred to the surface of the heat dissipation plate 5 through the thermal grease. The heat dissipation plate 5 cooperates with the heat sink 6 and the heat dissipation grooves A7 and B8 on its surface and the heat dissipation through holes 9 to assist in the heat dissipation treatment of the steering cylinder 4, reduce heat accumulation, and have good heat dissipation performance.

[0027] Example 2: Please refer to Figures 1 to 4As shown, on the basis of the first embodiment, the utility model provides a new steering wheel spindle technical solution: the inner surface of the heat sink 5 is symmetrically provided with step grooves, the step groove position of the heat sink 5 is fixedly connected with a permanent magnet 10, two groups of permanent magnets 10 are located at the outer position of the mounting hole 501, the permanent magnet 10 and the metal plate 403 are magnetically corresponding, and a rubber seat 11 is bonded to the step groove position of the heat sink 5, the rubber seat 11 is located on one side of the permanent magnet 10, and the end face of the rubber seat 11 protrudes from the inner wall of the heat sink 5.

[0028] By adopting the above technical solution, the step groove position of the heat sink 5 is fixedly connected with the permanent magnet 10. When the heat sink 5 is installed relative to the steering cylinder 4, the permanent magnet 10 of the heat sink 5 and the metal plate 403 are magnetically attracted to each other, and the rubber seat 11 has a good buffering and protection effect, which is convenient for assembly and positioning.

[0029] The working principle and use process of the utility model are as follows: a heat dissipation component is installed inside the assembly groove 401 of the steering cylinder 4. When the steering cylinder 4 is working, part of the heat generated is transferred to the surface of the heat dissipation plate 5 through the thermal grease. The heat dissipation plate 5 cooperates with the heat sink 6 and the heat dissipation grooves A7 and B8 on its surface and the heat dissipation through holes 9 to assist in the heat dissipation treatment of the steering cylinder 4, reduce the accumulation of heat, and have good heat dissipation performance; the step groove position of the heat dissipation plate 5 is fixedly connected with a permanent magnet 10. When the heat dissipation plate 5 is installed relative to the steering cylinder 4, the permanent magnet 10 of the heat dissipation plate 5 and the metal plate 403 are magnetically corresponding, and the rubber seat 11 has a good buffering protection effect, which is convenient for assembly and positioning.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A novel steering wheel spindle, comprising a wheel disc (1), a spindle body (2) fixedly connected to the bottom of the wheel disc (1), a connecting seat (3) fixedly connected to the end of the spindle body (2), and a steering cylinder (4) sleeved on the outside of the spindle body (2), characterized in that: A mounting groove (401) is provided on the surface of the steering cylinder (4), and a heat dissipation component is installed inside the mounting groove (401); The heat dissipation assembly comprises a heat dissipation plate (5) inserted into the assembly groove (401), a heat dissipation fin (6) symmetrically mounted on the outer surface of the heat dissipation plate (5), a heat dissipation groove A (7) and a heat dissipation groove B (8) provided on the outer surface of the heat dissipation fin (6), and a heat dissipation through hole (9) provided on the surface of the heat dissipation fin (6).

2. A novel steering wheel spindle according to claim 1, characterized in that: The surface of the assembly groove (401) is provided with a thread groove (402), the surface of the assembly groove (401) is symmetrically provided with grooves, and the interior of the groove of the assembly groove (401) is filled with a metal plate (403).

3. The novel steering wheel spindle according to claim 1 is characterized in that: A mounting hole (501) is provided in the middle of the heat dissipation plate (5), and the mounting hole (501) corresponds to the thread groove (402).

4. The novel steering wheel spindle according to claim 1 is characterized in that: The inner surface of the heat sink (5) is symmetrically provided with step grooves, and a permanent magnet (10) is fixedly connected to the step groove of the heat sink (5).

5. The novel steering wheel spindle according to claim 4 is characterized in that: The two groups of permanent magnets (10) are located outside the mounting hole (501), and the permanent magnets (10) and the metal plate (403) are magnetically attracted to each other.

6. The novel steering wheel spindle according to claim 1 is characterized by: A rubber seat (11) is bonded to the step groove of the heat sink (5), and the rubber seat (11) is located on one side of the permanent magnet (10).

7. The novel steering wheel spindle according to claim 6 is characterized by: The end surface of the rubber seat (11) protrudes from the inner wall of the heat dissipation plate (5).

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